Do you need Java SDK?

A copy of the latest OpenJDK comes bundled with Android Studio 2.2 and higher, and this is the JDK version we recommend you use for your Android projects. So if you are using the newest version, you won’t need any additional JDK .

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What is the Java 11 version?

JDK 11 is the open-source reference implementation of version 11 of the Java SE Platform as specified by by JSR 384 in the Java Community Process. JDK 11 reached General Availability on 25 September 2018. Production-ready binaries under the GPL are available from Oracle; binaries from other vendors will follow shortly.

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